I have the alumin8 8 inch center(straonger than the original ones) section from currie it comes with 3 inch deep bolts on the caps instead of 2.5 or 2.25 deep bolts and you can get larger bearing pinion support and you can run 31 spline axles if you get the right posi unit from randys ring and pinion I feel confident it will handle 400 to 500 hp no sweat!!! but the proof is in the pudding.....we shall see
I finally bent an axletube on an 8" after 6 years of racing on sticky tires and off the line nitrous hits. Totally stock center chunk (well, whole rear for that matter), car ran mid 12s/ high 7s, guessimated about 400 hp on spray. All that jazz was through a 3500 stalled c4. I don't think an 8" would've lived that long behind a manual trans though...
i broke 3 8'' rears 2 at the trac the only 2 times i went and one no the street doing a burnout T-5 trans 12 pound flywheel stage 3 clutch 275/45/17's street tires
